public void GetAll_Test()
        {
            // Act
            IList <DeviceInfo> devs = deviceRepository.GetAll().ToList();

            Assert.IsNotNull(devs);
            Assert.IsTrue(devs.Count == 2);

            for (int i = 0; i < devices.Count; i++)
            {
                Assert.AreEqual(devs[i], devices[i]);
            }
        }